[ckan-dev] RDF about CKAN datasets: not as good as it used to be.

Mon May 21 09:59:56 UTC 2012

Hi,

I'll take a look at this on Wednesday when I'm back and see if I can find all the missing parts to reinstate them.

Ross

On 20 May 2012, at 18:23, Tim Lebo wrote:

> Hi, Ross.
> 
> I mean the RDF when dereferencing the dataset URI with content negotiation for rdf/XML.
> 
>> …
>>> 
>>> A few months ago, the RDF provided when dereferencing a dataset's URI was very useful.
>>> It described the datasets using many of the "right" RDF vocabularies (dcterms, void, etc).
>>> 
>>> The RDF that is returned now no longer has these nice descriptions. 
>>> Instead, it seems to be a mindless transcription of the CKAN record.
>>> 
>>> For example, the older descriptions gave:
>>> 
>>> <http://thedatahub.org/dataset/farmers-markets-geographic-data-united-states>
>>>  void:subset [
>>>      void:target <http://thedatahub.org/dataset/farmers-markets-geographic-data-united-states>, <http://thedatahub.org/dataset/geonames-semantic-web> ;
>>>      void:triples 50 ;
>>>      a void:Linkset
>>>  ], [
>>>      void:target <http://thedatahub.org/dataset/dbpedia>, <http://thedatahub.org/dataset/farmers-markets-geographic-data-united-states> ;
>>>      void:triples 52 ;
>>>      a void:Linkset
>>>  ], [
>>>      void:target <http://thedatahub.org/dataset/farmers-markets-geographic-data-united-states>, <http://thedatahub.org/dataset/govtrack> ;
>>>      void:triples 52 ;
>>>      a void:Linkset
>>>  ] ;
>>>  void:triples 130005 ;
>>> 
>>> 
>>> 
>>> but now it's simply:
>>> 
>>> <http://thedatahub.org/dataset/farmers-markets-geographic-data-united-states>
>>>  dct:relation  [
>>>      rdf:value "130005" ;
>>>      rdfs:label "triples"
>>>  ], [
>>>      rdf:value "52" ;
>>>      rdfs:label "links:dbpedia"
>>>  ], [
>>>      rdf:value "50" ;
>>>      rdfs:label "links:geonames-semantic-web"
>>>  ], [
>>>      rdf:value "52" ;
>>>      rdfs:label "links:govtrack"
>>>  ] ;
>>> 
>>> 
>>> My old copies of the dataset descriptions mentioned a "GoLD CKAN 1.0" that was credited for the nicer modeling.
>>> 
>>> Where did that go? Can we get it back?
>>> 
>>> Thanks,
>>> Tim Lebo
>>> 
>>> 
>>> 
>>> 
>>> <http://semantic.ckan.net/record/91d2c0de-75a4-4bb6-b260-bc2946e1be8b>
>>>  dc:source <http://ckan.net/> ;
>>>  opmv:wasGeneratedBy [
>>>      opmv:used <http://ckan.net/api/rest/package/farmers-markets-geographic-data-united-states>, <http://ckan.net/api/rest/revision/9c2545b8-ebf1-42bf-ac92-633ff5ceba3f> ;
>>>      opmv:wasControlledBy [
>>>          a foaf:Agent ;
>>>          foaf:name "GoLD CKAN 1.0"
>>>      ] ;
>>>      opmv:wasPerformedAt [
>>>          a time:Instant ;
>>>          time:inXSDDateTime "2012-01-31T05:34:32Z"^^xsd:dateTime
>>>      ] ;
>>>      a opmv:Process
>>>  ] ;
>>>  a dcat:CatalogRecord ;
>>>  dcat:dataset <http://thedatahub.org/dataset/farmers-markets-geographic-data-united-states> ;
>>> 
>>> …
>>> _______________________________________________
>>> ckan-dev mailing list
>>> ckan-dev at lists.okfn.org
>>> http://lists.okfn.org/mailman/listinfo/ckan-dev
>> 
>> 
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